The Nissan TB straight-six petrol engine was released in 1987 as the TB42. Bore and stroke were 96 mm × 96 mm (3.78 in × 3.78 in). Cubic capacity was 4,169 cc (4.2 L; 254.4 cu in) displacement). The engine was released with a two-barrel carburettor and a point type distributor. It was used in the Nissan Patrol Y60 and Y61 series.